[racket] Can raco exe assign a name other than "racket"?

Don't know about 'do by default', but since command line switches are
already being used; '-o', the cost of one more seems slight and
reasonably safe as it would be backwardly compatible and forwardly
useful...

On Sat, Mar 26, 2011 at 1:13 PM, Neil Van Dyke <neil at neilvandyke.org> wrote:
> Greg Hendershott wrote at 03/26/2011 12:14 PM:
>>
>> $ raco exe -o foo foo.rkt
>> $ ./foo &
>> $ ps  #shows it as "racket" not as "foo".
>> $ top  #shows it as "racket" not as "foo".
>>
>> Is there way I can make it show up as "foo"?
>>
>
> You can often do this in C on Unix variants by mutating the string buffers
> pointed to by "argv" argument as passed to the "main" function.
> To do this for executables created in the manner above, I suspect that
> someone would have to modify the C code for Racket, but I have not verified
> this.  (I started to look at the 5.0.2 code just now, and didn't immediately
> see an obvious way without modifying the C code, but I have to run to
> something now, so you might see a way if you read through the code.)
>
> Use this feature with discretion, since the effect can be confusing to
> people trying to debug.  (Some daemons have been known to abuse this feature
> to show application-specific status, preventing you from seeing the original
> command line arguments.  A colleague once hacked an old Unix game to show up
> in the process table as "vi resume" on time-sharing systems, back when
> employers were more motivated to keep employees happy.)  And exercise the
> usual system programming caution, since you don't want to stomp on the wrong
> memory here, nor corrupt the info that "ps" and other tools will be looking
> at.
>
> In the case of the original "raco exe" question, perhaps this is something
> that Racket should be changed to do by default?  I have no opinion on that.
>
> --
> http://www.neilvandyke.org/
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